MENTIS MENTIS — Support
Memory and mental math trainers, 2,800 English words and fascinating facts. · Developer and operator: Daniil Sudarev
Frequently asked questions
Is MENTIS free?
Yes. Everything is free, with no ads and no in-app purchases.
Do I need an account or internet?
No. MENTIS works offline and without sign-up. Internet is only needed to open source links of facts and articles.
Where is my progress stored?
Only on your phone. If you delete the app, your progress is deleted too.
How do I change the language?
MENTIS follows your phone’s language (English, Russian, Spanish, Portuguese, German, French, Turkish). You can change it manually in Profile → Interface language.
Words are not pronounced
MENTIS uses your phone’s built-in voices. Check that the sound is on and that a voice for the language is installed in the phone’s settings (Accessibility → Spoken Content → Voices on iPhone).
How do I delete my data?
Data stored on your phone is deleted with the app. If you signed in, delete the account in the app (Account → Delete account) or on the page sudarev.app/en/delete-account.
Something doesn’t work
Email us at [email protected]: the game name, your phone model and what happened. A screenshot helps a lot.